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Name the scientist who converted Mendel’s conclusions into principles of heredity.
(a) De Vries
(b) Tschermak-seysenegg
(c) Cari correns
(d) T.H.Morgan

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Last updated date: 11th Jun 2024
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Answer
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Hint: Mendel’s law of inheritance was further studied by the American biologist and his colleagues and they also won the Nobel prize for exploring the chromosome role of hereditary.

Complete answer:
The chromosomal theory of inheritance of G.Mendel was followed by the experimental verification of the chromosomal theory of inheritance by Thomas Hunt Morgan and his colleagues. They conducted several experiments on Drosophila melanogaster and they converted Mendel’s theory of inheritance into principles of hereditary. For the discovery of the role of chromosomes in hereditary, Mendel was awarded a Nobel prize.

Additional Information: - Mendel’s results on the inheritance of characters are independently rediscovered by De Vries, Correns, and Tschermark.
- Due to advancements in technology after the year 1900, these scientists clearly observed cell division and nuclear division.
- They also observed structures inside the nucleus called chromosomes that divide before each cell division.
- The behavior of chromosomes was parallel to the behavior of the genes predicted by Mendel’s law which was observed by Walter Sutton and Theodore Boveri in 1902.
- Later Thomas Hunt Morgan and his colleagues worked on Mendel’s chromosome theory of inheritance and changed them as principles of heredity.
- T.H.Morgan proposed principles of heredity after working on tony fruit flies called Drosophila Melanogaster.
So, the correct answer is ‘T.H.Morgan’.

Note: -The life cycle of Drosophila Melanogaster is two weeks.
-One mating produces many numbers of progeny. Because of this feature in Drosophila, Mendel selected it for his studies. Later T.H.Morgan and his colleagues also worked on a dihybrid cross in Drosophila.